does anyone know how to draw Glycine ion in acid?

Answer 1

Glycine is also called aminoethanoic acid. The formula is:

H2NCH2(C=O)OH

or as a zwitterion:

H3N(+)CH2(C=O)O(-)

in an acidic solution, the amine group will pick up a proton and a positive charge:

H3N(+)CH2(C=O)OH

...H.H.O
H-N-C-C-OH
...H.H

comes close (needs a + charge on the N and double bond between second C and upper O).

Look at the sites below (remember than in acidic solution, the N will have 3 H's and a + charge):